NGC 2736, Herchel's Ray, aka the Pencil Nebula lies in Vela and is a part of the Vela Supernova Remnant. This image was taken with a Bresser 152mm f5 Petzval corrected Achromat by an ASI1600MM-C camera running at -25C. Subs consist of 24 x 300s Ha (2hrs) as Green layer, and 15 x 300s Oiii( 1hr 15min) as Red layer. This target is rich in Oiii compared to the Ha component. Processed in DSS and Photoshop CC 2017. There is a slight crop to remove the corners where obvious field curvature appears - I do not have a suitable flattener for this scope yet. Being fairly faint more data will be required to smooth this image out. I was pretty much scraping signal off the noise floor with this version. Some grain can be detected, especially in the full screen version, around the curtain at the bottom. I will return to this target to get more data when the conditions permit. For now this is the first version, and I will update it soon.
Astrobin detail page here:
http://www.astrobin.com/275791/
Full Screen image here:
http://www.astrobin.com/full/275791/0/
Thumbnail attached below.