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Newbie Corner - Post your first astrophoto!...Pt-2

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#926 bluecougfan

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Posted 19 March 2019 - 12:35 AM

C6

Evolution mount

Prime focus

Fujifilm a-x3

Meade .63 reducer/corrector 

20 seconds

Attached Thumbnails

  • M42.jpg

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#927 Oyaji

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Posted 19 March 2019 - 12:35 AM

M13.

Stellarvue SV80 Access refractor on AVX Mount.  Olympus OMD EM1 Mark ii, ISO 1600, 30 seconds.  10 lights, 6 darks, 2 bias.  Stacked with DSS.

Polar alignment was off thanks to inexperience coupled with that %#$@% useless Celestron polar alignment scope that is included with the AVX mount.  I'm working on it and have figured out a solution for my next outing (I hope)--ASPA.  Also, used finger to open shutter--and I learned my lesson.  External shutter release on the way from Amazon, as is a longer Vixen-style rail so I can get better balance with the camera.  WHAT ELSE AM I MISSING???  (I'm not ready for guiding--yet).

Also-what to do about post processing?  Photoshop is too complicated and too expensive, and while I tried Startools, it is WAY too complicated.  This pic was post-processed with Cyberlink Photodirect, which comes free with PowerDirector, the software I use for movies.  Photodirect has a rather rudimentary set of tools which appear to be lifted from Adobe Lightroom.

Still scratching head on that one.

Attached Thumbnails

  • Autosave002-1.jpg

Edited by Oyaji, 19 March 2019 - 12:48 AM.

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#928 scadvice

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Posted 19 March 2019 - 10:49 AM

I also used Star Tools at first but could not understand the available tutorials and you tube vids. During my searches for videos I ran across and started watching this video series by Astro Dude on PixInsight. I stayed away from PI at first because of it's complexity but after watching these I bought it. I finish up my images in Gimp.

 

Here is the first of the 12 part series it step by step walks you through using PI. 

 

https://www.youtube....?v=HIXJJqew6rQ 


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#929 Jacksparrow86

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Posted 21 March 2019 - 08:50 PM

Subject
Orion Nebula + Horse Head (a hint of it)

 

Equipment

Canon EOS 400D unmodified

Asahi SMC PENTAX 135mm f/3.5 MF Lens (picked up on eBay in mint condition for $54.90)

Skyguider Pro

Heavy duty photography tripod

Bahtinov mask for focusing

Polar alignment could have been better

 

Location

Fremont Peak, CA

Dark site (Bortle 3.5) with 72% Moon phase

 

Images sequence

43 lights of 1'20" each (ISO 400, f/5.6)

15 darks

20 flats (iPad screen mode)

50 bias (taken the day after)

 

Processing

SiriL + Darktable (completely free)

 

The almost full Moon put an evident color cast on it, but I like the result a lot!

 

https://imgur.com/a/3r6tFrI


Edited by Jacksparrow86, 21 March 2019 - 08:52 PM.

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#930 RemcoNL

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Posted 23 March 2019 - 02:19 PM

Just started out. Took my very first image this week. 
Please be gentle.. wink.gif

 

 

 

get.jpg?insecure


Edited by RemcoNL, 23 March 2019 - 02:21 PM.

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#931 hwhitlow

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Posted 27 March 2019 - 12:09 PM

This was my first true attempt at any astrophotography, Jupiter in opposition 2017.  I had my 8" DOB on an equatorial platform that I built from a kit.  If I remember correctly, I used a 3mm eyepiece for 400x magnification.  I had my iPhone clamped to the eyepiece.

Attached Thumbnails

  • IMG_1219.JPG

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#932 Katorella

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Posted 28 March 2019 - 05:58 AM

My very first attmepted image from 2004 vs 2018.

Attached Thumbnails

  • m42-2-16-05-1.jpg
  • m422018small.jpg

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#933 cshine

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Posted 28 March 2019 - 05:17 PM

This is my first attempt at a proper astrophoto capture. I've been gradually building up to this over several months by learning the basics of image capture while making EAA observations. I'm convinced that this a great way to get into AP - gradual improvements with immediate feedback on what does and doesn't work..

 

No post-processing here obviously, just a screengrab from a 90-minute capture in SharpCap with 30s subs. C8 @ f6.3, ZWO ASI294 on an EQ6-R mount from the 'burbs.

 

M51-5_1_50.jpg


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#934 GSqwid

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Posted 30 March 2019 - 11:07 PM

My first stacked picture of M42 (15 7 second exposures), created mainly to learn the process.

OrionXL4Bsmall.jpg

 

My first attempt at a DSO other than M42 (M82); 15 15 second exposures.

Cigar Galaxy Small.jpg


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#935 rauber830

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Posted 31 March 2019 - 10:50 AM

It seems the Orion Nebula has many adepts ... hahaha !!!


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#936 GSqwid

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Posted 01 April 2019 - 03:56 PM

It seems the Orion Nebula has many adepts ... hahaha !!!

 

Well, for me, it is great.  Not only is it interesting to look at, its is bright.  That means someone like me with limited knowledge, sub-optimal equipment, and an urban sky can actually get something worth looking at!


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#937 TelescopeGreg

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Posted 01 April 2019 - 05:03 PM

The Orion Nebula is a great target to discuss with the general public.  To the unaided eye, almost everyone knows about the three stars of Orion's Belt, and many can point out the three somewhat dimmer stars that make up Orion's Sword.  "That middle star in the sword isn't a star...  It's this."  Then show them a picture of the nebula.

 

There's so much of the night sky that we look right at, without knowing what we're looking at.  M42 is the gateway into that alternate view of the universe.


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#938 Rick Williams

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Posted 02 April 2019 - 08:51 AM

I just started taking pictures through my Canon EOS about 2 weeks ago. This is a stack of 7 X 10 second exposures (29mm, 1600, f3.5) looking directly overhead at 10pm on April 1, 2019. This is the first DSS stack I've managed to produce.

 

Rick

Attached Thumbnails

  • stars.jpg

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#939 Johnny French

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Posted 03 April 2019 - 09:40 PM

Hello all

 

My wife wanted a telescope and I discovered astrophotography in the process.

Just learning. Watching a lot of youtube ! This is going to be fun.

We have a 6" reflector on a CG4 mount with a tracking motor.

Cannon 70D

47 sec X 25 photos

ISO 500

Fun !

 

Photoshoped2+web.jpg


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#940 Stargazer3236

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Posted 03 April 2019 - 10:22 PM

Hello all

 

My wife wanted a telescope and I discovered astrophotography in the process.

Just learning. Watching a lot of youtube ! This is going to be fun.

We have a 6" reflector on a CG4 mount with a tracking motor.

Cannon 70D

47 sec X 25 photos

ISO 500

Fun !

 

attachicon.gif Photoshoped2+web.jpg

You have entered a never ending black hole that will suck all the money out of your collective wallets!


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#941 harryst

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Posted 06 April 2019 - 07:24 PM

Sun 4 6 19
Moon 2 16 19 Celestron
 
 These are my first two images still trying to figure it out (new to telescopes and astrometry) but I am finding great info from this site along with some friendly members.

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#942 harryst

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Posted 07 April 2019 - 09:47 AM

Sun Spots
 

Not sure why these sunspots umbra and penumbra are the opposite they normally are dark center and light rings? These are light center and dark rings. Can anyone give me the answer?
Thanks



#943 klaussius

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Posted 08 April 2019 - 02:38 AM

My very first serious attempt was at the Carina nebula. I got a small refractor to try things out and quickly noticed the tripod it comes with is utter crap (though very light and useful for its intended purpose). Anyway, I quickly realized I needed a real equatorial mount, so my equipment grew to:

 

* Celestron Travelscope 70

* SkyWatcher NEQ5 + Dual Axis drive

* Canon EOS T4i

 

This is the result of stacking:

 

* 42 lights (iso 800, 15s exposure)

* 10 darks/dark flats

* 13 flats

 

I didn't use DSS or any of the usual tools. Part of the fun was to try to make my own, so I wrote my own stacking software in Python (using rawpy, scipy.ndimage and scikit-image, for those interested). It took me a long while to get it to align the images right, since I have no autoguiding and I haven't yet learned how to properly polar align the mount.

 

Nevertheless, the result was pretty enough to convince me to push on smile.gif

 

eta_carinae_b16_v6_stretched_800.jpg

 

I think I have a FOV issue, no amount of flats can fix that artifact near the corners. Further attempts with a 2x barlow show no sign of that, or curvature issues (stretched stars near the edges, not at the edge, that's an artifact of the image alignment process), but I have huge issues with chromatic aberration.

 

Nevertheless, with a bit of cropping, it makes for a nice wallpaper smile.gif


Edited by klaussius, 08 April 2019 - 02:40 AM.

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#944 Stargazer3236

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Posted 08 April 2019 - 06:54 AM

My very first serious attempt was at the Carina nebula. I got a small refractor to try things out and quickly noticed the tripod it comes with is utter crap (though very light and useful for its intended purpose). Anyway, I quickly realized I needed a real equatorial mount, so my equipment grew to:

 

* Celestron Travelscope 70

* SkyWatcher NEQ5 + Dual Axis drive

* Canon EOS T4i

 

This is the result of stacking:

 

* 42 lights (iso 800, 15s exposure)

* 10 darks/dark flats

* 13 flats

 

I didn't use DSS or any of the usual tools. Part of the fun was to try to make my own, so I wrote my own stacking software in Python (using rawpy, scipy.ndimage and scikit-image, for those interested). It took me a long while to get it to align the images right, since I have no autoguiding and I haven't yet learned how to properly polar align the mount.

 

Nevertheless, the result was pretty enough to convince me to push on smile.gif

 

attachicon.gif eta_carinae_b16_v6_stretched_800.jpg

 

I think I have a FOV issue, no amount of flats can fix that artifact near the corners. Further attempts with a 2x barlow show no sign of that, or curvature issues (stretched stars near the edges, not at the edge, that's an artifact of the image alignment process), but I have huge issues with chromatic aberration.

 

Nevertheless, with a bit of cropping, it makes for a nice wallpaper smile.gif

Yes, you have vignetting issues. Your FOV is smaller than your camera lens, therefor you clip the corners of your intended image. If you can adjust the Region of Interest (ROI), you might be able to clean up the image or just crop the image when you are done processing.



#945 Rocketrat1

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Posted 12 April 2019 - 04:07 PM

Nice image! The very first image I did was of the milkway. Not quite as good as yours though. 



#946 sheepofblue

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Posted 13 April 2019 - 04:13 PM

First attempt that worked at stacking.  Only 7 lights and 15 darks.  No bias or flats.

final2_small.jpg


Edited by sheepofblue, 13 April 2019 - 04:18 PM.

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#947 Kkiixx

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Posted 13 April 2019 - 07:41 PM

Well, i took two of the moon, and a few quick .3 seconds of orion before this one.  Just getting a feel for the software and hardware.

 

This is m101, my first attempt when i, like, tried... 

 

C6 f/5 newt

meade dsi pro

cg-4 mount

ra tracking motor

IR filter

 

8 second subs

36 lights

32 darks

4.8 minutes exposure time

 

Stacked with DSS and probably ruined in photoshop.   Posting here as an archive. Hope to look back some day like @Katorella up a few posts...

 

 

m101.jpg

 

 

 


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#948 tjz

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Posted 15 April 2019 - 03:48 PM

Here's my first real PixInsight processed image of M51. Just a few frames from one of the few not completely overcast nights in months. I was chasing targets through holes in the clouds mostly for EAA, but did save a few raw frames for practice. The stars are a bit elongated from the crazy wind.

 

Celestron C8

Celestron f/6.3 Focal Reducer / Corrector

iOptron CEM60-EC (unguided)

ASI294MC-Pro (-10C)

SharpCap LiveStack (saved raw frames)

 

8x Lights: 30 seconds, Gain 390

30x Darks: 30 seconds, Gain 390

PixInsight: ImageCalibration, Debayer, StarAlignment, Blink, ImageIntegration, BackgroundNeutralization, ColorCalibration, SCNR, AutomaticBackgroundExtractor, StarMask, MorphologicalTransformation, HistogramTransformation

 

 

m51-2019-03-25-processed-2019-04-13-small.jpg


Edited by tjz, 15 April 2019 - 03:48 PM.

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#949 44maurer

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Posted 16 April 2019 - 01:24 AM

Not sure why these sunspots umbra and penumbra are the opposite they normally are dark center and light rings? These are light center and dark rings. Can anyone give me the answer?
Thanks


Are you referring to the doughnuts? If so, those are from dust/particles somewhere in your imaging train. Take flats and they will go away.

#950 Xedric

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Posted 18 April 2019 - 02:25 PM

My first images taken with Canon 7Dmk II on a Skywatch Star Adventurer.  Sorry it's Orion again I'm afraid.

 

2.jpg
 
3.jpg

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