NGC 654, NGC 663, VdB 6, LDN 1343, LDN 1344 in Cassiopeia


12" ASA - LRGB

      Size: 2000 px    
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© Velimir Popov & Emil Ivanov 2013
This image shows a starfield in the constellation Cassiopeia containing two open star cluster: NGC 663 (left) and NGC 654 (right). In the lower left of NGC 654 is the tiny reflection nebula vdB 6, and right from the cluster are two dark nebulae, catalogued by Beverly Lind as LDN 1343 and LDN 1344. Both nebulae are part of much larger molecular cloud in Cassiopeia.

Image details:


Center of field RA 01:44:39 (h:m:s)
Center of field DE +61:30:52 (deg:m:s)
Size 1.62 x 1.21 (deg)
Pixel scale: 1.8 (arcsec/pixel)
Orientation: Up is -91.7 degrees E of N
Charts and image details obtained from
Optic(s): ASA 12" Astrograph @ f/3.6 (Newton)
Mount: ASA DDM85 Standard
Camera: SBIG STL 11000 M
Filters: Luminance, Red, Green, Blue, Astronomik filters
Dates/Times: 8, 10, 11 and 12.11.2012
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: L:24x10 min, R:12x10 min, G:12x10 min, B:11x10 min. Bin 1, Total 590 min (9:50 hrs)
More details: Dark and flat frames reduction
Processing: PixInsight / PS
Copyright: Velimir Popov and Emil Ivanov 2013. All Rights Reserved
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