2016年1月26日 · Here are David Knisely's findings: M42 GREAT ORION NEBULA (diffuse nebula) (10 inch f/5.6, 52x, 71x). DEEP-SKY: (3) A moderate boost in contrast can be seen, …

2025年3月1日 · M42 - posted in Sketching: With the moon sleeping got back to a bit of deep sky observing. Did this sketch from three nights of observing. Perhaps 15 minutes each night. …

2025年3月4日 · A short M42 - posted in Beginning Deep Sky Imaging: I havent shot M42 in several years. I got 45 before clouds shut me down. Fortunately the high surface brightness …

2005年9月23日 · M-42 - posted in Film Astrophotography: Thought I would post this. 20 minutes I believe? E-200 LXD 75 10. Guiding a little sloppy, but oh well. The core has been processed …

2005年2月6日 · M-42 - posted in Beginning Deep Sky Imaging: Ill start this out. This was shot afocally thru a 50mm ep in my newt. One exposure of 2 seconds with a sony mavica (our …

2022年3月8日 · M-42 - posted in Sketching: Widefield Sketch of Orion 70x to 120x Sketched in Mellish technique without the sword. J.M.S

2021年3月10日 · M42 - posted in Sketching: Hello everyone. Two months ago I proposed to draw M42 and test different styles, but the weather has been adverse and I have hardly been able …

2004年2月8日 · M-42 First Time - posted in Deep Sky Observing: My son and I finally got to see M-42. He is 8 and all he kept saying was cool and wow..... When he was done with that he …

2023年10月25日 · So confused M48 or M42 - posted in DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging: I apologize because I know nothing about cameras. I have a …

2024年1月8日 · M42 -- Yes, another one, but... - posted in Beginning Deep Sky Imaging: What a difference a shorter refractor makes. Previously, my focal length choices were either: a …