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Pages: 1 Dr Benway professor emeritus Reged: 03/27/08 Loc: Abilene, TX The Belt & Sword of Orion       #5676576 - 02/12/13 08:51 PM Attachment (44 downloads) Edit   Reply   Quote Quick Reply   I originally shot this image last month and added some short exposures today to restore the core of M42 using HDR Composition in PixInsight. I am also posting an image of the rig on a iOptron iEQ45 mount. I picked up the short exposures on a Takahashi EM-10 mount. This is a Vivitar 100mm f/2.8 portrait lens (Pentax M42 type) stopped at f/4 with a Baader Planetarium Russian adapter (M42X1.0 to M42X0.75), a 10mm spacer, and a QHY8PRO OSC camera. The image and details: http://www.astrobin.com/32617/0/?mod=none John Edited by Dr Benway (02/12/13 08:52 PM) Post Extras:       David Rosenthal Imager Extraordinaire Reged: 06/23/06 Loc: NJ Re: The Belt & Sword of Orion [Re: Dr Benway]       #5676665 - 02/12/13 09:57 PM Edit   Reply   Quote Quick Reply   That is a really excellent wide field shot. All the jewels in one frame. Nicely done !!! Post Extras:       DeanS Carpal Tunnel Reged: 07/12/05 Loc: Central Kentucky Re: The Belt & Sword of Orion [Re: David Rosenthal]       #5676724 - 02/12/13 10:30 PM Edit   Reply   Quote Quick Reply   Nice John, one of your best!! You going to TSP this year? I may be on the upper field for the first time. Dean Post Extras:       Dr Benway professor emeritus Reged: 03/27/08 Loc: Abilene, TX Re: The Belt & Sword of Orion [Re: DeanS]       #5676746 - 02/12/13 10:46 PM Edit   Reply   Quote Quick Reply   Hi Dean! Yes, I will be at TSP. I was assigned RV-02. I signed up for the imaging symposium and will be one of the red caps, too. I was recently notified that I will be a speaker at NEAIC in April. Six talks in two days. My working title is "Dollars & Sense" an introduction to astrophotography. It should be a lot of fun! Edited by Dr Benway (02/12/13 10:47 PM) Post Extras:       Alterf sage Reged: 04/07/06 Re: The Belt & Sword of Orion [Re: Dr Benway]       #5676763 - 02/12/13 11:03 PM Edit   Reply   Quote Quick Reply   Very nice image, John! Very cool. Congrats on the speaking gig, too. I wish I could hear it. Any chance you will sell podcasts afterwards? Val Post Extras:       J.P.M Post Laureate Reged: 11/14/06 Loc: 65"01'N25"47'E Re: The Belt & Sword of Orion [Re: Alterf]       #5677404 - 02/13/13 10:48 AM Edit   Reply   Quote Quick Reply   Very cool! The mount looks somehow overkill for a job... Post Extras:       SL63 AMG professor emeritus Reged: 12/21/09 Loc: Williamson, Arizona Re: The Belt & Sword of Orion [Re: J.P.M]       #5677666 - 02/13/13 01:14 PM Edit   Reply   Quote Quick Reply   That's a really nice image John. I love these wide field images. It puts the DSO's we image into perspective with the rest of the sky. I'm glad to see you're back up and running! See you soon. Post Extras:       Dr Benway professor emeritus Reged: 03/27/08 Loc: Abilene, TX Re: The Belt & Sword of Orion [Re: J.P.M]       #5677774 - 02/13/13 02:21 PM Edit   Reply   Quote Quick Reply   Quote: Very cool! The mount looks somehow overkill for a job... J-p, I believe one should not exceed 10% of a mount's rating. (Just joking) Post Extras:       bill w Postmaster Reged: 03/26/05 Loc: southern california Re: The Belt & Sword of Orion [Re: Dr Benway]       #5679569 - 02/14/13 02:03 PM Edit   Reply   Quote Quick Reply   beautiful wide field Post Extras:       NorthBoundTrain Carpal Tunnel Reged: 11/23/11 Re: The Belt & Sword of Orion [Re: Dr Benway]       #5680644 - 02/15/13 03:30 AM Edit   Reply   Quote Quick Reply   Quote: Quote: Very cool! The mount looks somehow overkill for a job... J-p, I believe one should not exceed 10% of a mount's rating. (Just joking) Nice work! Post Extras:       mmalik Carpal Tunnel Reged: 01/13/12 Loc: USA Re: The Belt & Sword of Orion [Re: Dr Benway]       #5680652 - 02/15/13 03:40 AM Edit   Reply   Quote Quick Reply   Great wide. Post Extras:       Andreas72 member Reged: 09/17/09 Loc: Piraeus-Greece Re: The Belt & Sword of Orion [Re: mmalik]       #5680774 - 02/15/13 07:28 AM Edit   Reply   Quote Quick Reply   Very nice job!!Congrats. Post Extras:       broca Pooh-Bah Reged: 03/26/10 Loc: Ocala, FL Re: The Belt & Sword of Orion [Re: Andreas72]       #5681768 - 02/15/13 03:22 PM Edit   Reply   Quote Quick Reply   Bravo! That lens looks like a toy on that mount! Post Extras:       pfile Carpal Tunnel Reged: 06/14/09 Re: The Belt & Sword of Orion [Re: broca]       #5681802 - 02/15/13 03:39 PM Edit   Reply   Quote Quick Reply   that picture should have the caption "you can never be over-mounted" Post Extras:       Mr_T Pooh-Bah Reged: 04/06/08 Loc: NJ Re: The Belt & Sword of Orion [Re: pfile]       #5683028 - 02/16/13 09:24 AM Edit   Reply   Quote Quick Reply   Very nice image Les Post Extras:       phreon member Reged: 09/15/12 Re: The Belt & Sword of Orion [Re: Mr_T]       #5685451 - 02/17/13 04:05 PM Edit   Reply   Quote Quick Reply   Beautiful image! I have a newbie question: Since you used a standard camera lens, why are there 4 point diffraction spikes visible in the full sized view of your picture? I thought this effect is from the spider in reflector designs and that refractive optics are free from this artifact. Thanks, Doug Edited by phreon (02/17/13 04:10 PM) Post Extras:       bilgebay Post Laureate Reged: 11/06/08 Loc: Türkiye - Istanbul and Marmari... Re: The Belt & Sword of Orion [Re: phreon]       #5685508 - 02/17/13 04:45 PM Edit   Reply   Quote Quick Reply   Excellent! Must have been a real challenge to balance the mount Post Extras:       Pages: 1

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