Monkey Head Nebula NGC 2175

 Posted: Apr 26th, 2025
Show astrometry on hover
NGC
IC
HD
Technical Info
Telescope/Lens: Askar 71F
Camera: Zwo ASI662MC
Mount: ZWO AM5
Guide Scope: OAG Askar
Guide Camera: asi120mm
Software: Pixinsight
Exposure:
92 x 30" ISO/Gain: 252
Orange zoneLight Pollution:
 Minusinsk, Russia
 Mar 27th, 2025
46 m
754
Monkey Head Nebula.
The open star cluster in NGC 2175 was probably noticed before 1654 by the Italian astronomer Giovanni Battista Hodierna.
Resolution: 1899x1064 px
Scale: 2219 KB
Add comment

Comments

An unusual angle, not immediately recognizable. The stars could be tightened up to avoid looking like saucers, but otherwise the resolution is good.
26 Apr, 2025 Reply
Evgeniy Kupriyanov Replied to Oleg Novoselov
I cropped it twice; three times seemed too much to me :)
I'm thinking of getting filters for experiments, as everything around here is lit up with LEDs within about 50-60 meters. Which ones would you recommend? I've been considering the SV240 from A Bony and the Askar C1 and C2. The camera is an ASI585.
26 Apr, 2025 Reply
Oleg Novoselov Replied to Evgeniy Kupriyanov
Look, you shouldn't get the 240, because: 1. You have a refractor. 2. The 662 doesn't have a UV/IR filter. 3. The 240 lets in IR—check its range. It's only for reflectors, or you'd need to add another UV/IR filter. That's why stars will look bloated. Better to get the SV 220 or Laida, depending on which is cheaper at the moment. They were selling them on the forum recently for very little. And you do stretch the stars separately, right?
26 Apr, 2025 Reply
Evgeniy Kupriyanov Replied to Oleg Novoselov
I got a bit lazy here—I stretched it along with the image in the first stage, then only separated it, toned down the curves, and merged it back together.
26 Apr, 2025 Reply
Evgeniy Kupriyanov Replied to Oleg Novoselov
I got a bit lazy here, stretched it together with the image in the first stage, then only separated them, toned down the curves, and merged them back together.
26 Apr, 2025 Reply

Comments are available only to registered users. Register or log in to leave a comment.