AP#75 : B72
Name: The "Snake" Nebula.
Constellation:Ophiuchus
Instrument:
Image 1: Redcat51 with a modified Nikon D3300.
Image 2: 8-inch F5 reflector with Sky watcher coma corrector and an ASI 2600MC (gain 100 -20C).
Image 1 Exposure time: A stack of 16 three-minute exposures at ISO 800.
Image 2 Exposure time: A stack of 19 three-minute exposures.
Star Chart from Michael Vlasov's Deep sky hunter star atlas available on line https://www.deepskywatch.com/deep-sky-hunter-atlas.html
Angular size: 37' X 17'
This "S" -shaped dark nebula is found near the star Theta Ophiuchi. Below it are B68, B69, B70. These are sometimes called the eggs of the snake.
This image was taken with an 8-inch F5 reflector and ASI 2600 MC astro camera.
