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M20 (Trifid Nebula) + M21

Type	Nebula
Date	2010-08-07 21:00:00
Constellation	Sagittarius
Distance	5kly
Picture diagonal width	100 '
Site	Valdrome, 26, France
Instrument	Newton + MPCC
Diameter	200 mm
Resulting focale	950 mm
Mount	Atlas EQ G
Exposures	7x2mn
Total exposure	14mn
Autoguide	Yes
Sensor Temp.	15? °C
Camera	Canon EOS 1000D
Sensor	CMOS
Sensor size	15x23 mm2
Sensor pixels	3906x2602
Binning	No
Resize	0.50
Resulting sampling	2.60 "/pix
Filters	Astrodon
Record Type	RAW
Processing	Iris(-dark,/flat,add,black,grad,white,levels,ddp,crop)
Sky transparency	mag<6
Remarks	// guiding with ED80 + ST7

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