M20

Name: The "Triffid" Nebula.

Constellation:Sagittarius

Instrument:8-inch F5 reflector with Sky Watcher coma corrector and ASI 2600 MC (gain 100 -20C).

Exposure time: A stack of 16 five-minute and 9 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

			AP#77 : M20
			Name: The "Triffid" Nebula. Constellation:Sagittarius Instrument:8-inch F5 reflector with Sky Watcher coma corrector and ASI 2600 MC (gain 100 -20C). Exposure time: A stack of 16 five-minute and 9 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


	Magnitude: 6.3 Angular size: 28' This object is a large emission nebula that is split into three sections by a dark lane (with the designation B85). This results in the name, which means it has three lobes. The open cluster, M21, is above and to the east of the nebula. Go to AP#78 NGC 6520/B86 Return to AP100 main page.