Welcome to the January 2017 Cloudy Nights Imaging/Sketching Contest poll!
Each month the best images selected from the individual Cloudy Nights Imaging and Sketching forums will be presented for the user base to vote on. The winning entry will be posted on the front page of the Cloudy Nights website for all to admire! At the conclusion of the poll, the entry with the highest total will be the winner of the contest. (Contest Rules)
Please choose your favorite from the entries below. The poll will remain open through February 15th at midnight.
Here are the entries for January. Good luck to the finalists!
Beginning and Intermediate Imaging
cyber.jpg 193.18KB 9 downloads
Bode's galaxy (M81) and the Cigar galaxy (M82)
Telescope: TS 80mm f/6 APO with TS 0.79x FR/FF
Mount: Skywatcher EQ5 Pro
Camera: Canon 450D (stock) with intervalometer
Exposure: 85 x 60" ISO-800 unguided with manual dithering
Date: January 19, 2017
Location: Bremt, Belgium
Stacked and post-processed in PixInsight
Michal1.jpg 479.48KB 9 downloads
The treasures of Perseus
Pentax 6x7 camera with homemade vacuum back, Takumar 105mm lens at f/4, stack of two 35-min shots, Kodak E200 film. Near the Lesachtal town, Austrian Alps, Jan 30, 2017. Mount aligned using PARot polar aligner.
DSLR & Digital Camera Astro Imaging & Processing
jakob1234.jpg 138.95KB 8 downloads
The witch head nebula:
Shot over two days in january.
Shot with iso 200, 42 subs 5min each - Total 3½ hours.
Shot from southern Denmark.
Processed in PS, DSS, PI and fitswork.
Nikon D5500 Astromodded H-alpha
HEQ5 PRO mount
Skywatcher 200 PDS
QHY II Autoguider
CCD Imaging & Processing
MattC867.jpg 331.84KB 8 downloads
Here is a 2x2 mosaic of the Heart Nebula that I made in narrowband (SHO). I shot 18 600 second subs per filter per panel, so 216 subs (before rejection) in total which took me about 36 hours over the course of 8 nights between August 2016 and Jan 2017. Images were taken from my home in central Maryland.
OTA: Orion 8" f3.9 Newt
Camera: SBIG STF-8300m w/ Astrodon 5nm filters
Mount: Orion Atlas Pro
Guiding: Orion Magnificient Mini with SSAG
Image acquisition with Sequence Generator Pro, PlateSolve2, Cartes du Ciel, and PHD2
Solar System Imaging & Processing
Thundermoon1994.png 149.61KB 8 downloads
This is my best image from an early morning Jupiter observing session on January 22nd. My reward for getting up in the middle of the night was the steadiest skies we've had in northeast Ohio in months!
In this shot, Io and its shadow were moving left to right, while Callisto (at bottom) was behind the planet and moving right to left
C8 at f/30 via Explore Scientific 3x focal extender
ZWO ASI120MC camera
ZWO Atmospheric Dispersion Corrector
Capture and processing:
Captured with FireCapture at 49 fps, with the best 25% of ~8,800 frames stacked in AS!2. Wavelet sharpening in Registax, with post-processing in Gimp.
Seeing was 4.5/5, with 3/10 transparency and intermittent clouds near Akron, Ohio.
acr_astro.jpg 337.4KB 4 downloads
Telescope: Celestron Nexstar 127 SLT
Eyepiece: Skywatcher 5mm UWA 58°
Date & Time: Jan 6th, 2017 / 1740-1840 CET
Location: home terrace, Dusseldorf region, Germany
Technique: natural charcoal and chalk on black sketching paper
Image is mirror-reversed.
Eratosthenes is about 58km in diameter and is located at the western end of the Apennines. On the sketch you can see as well the western rim of the low crater Stadius (SE of Eratosthenes) and the craters Eratosthenes C and Wolff B.