VdB 7, VdB 9, LBN 643, LDN 1355, LDN 1357, LDN 1358

This approximately 75 x 110 arcmin. field is centered at RA: 2h 53 min. and DE: +69° 28min. (Constellation Cassiopea). The brightest blue star at middle bottom is the mag 6.2 eclipsing variable star RZ Cass., which illuminates the faint reflection nebula VdB 7. At the left is the reflection nebula VdB 9, illuminated by the star HD 17462 (5.8 mag).Below VdB 9 is situated the Lynd's bright nebula 643 (LBN 643). The three dark nebulae are (from left to right): LDN 1357, LDN 1355 and LDN 1358. North is left.

 

Technical Details:

Optics: ASA N 12 Astrograph at /3.6
Mount: ASA DDM 85
Camera: SBIG STL-11000M
Filters: Astronomik LRGB filter set
Dates/Times: 15, 16 and 18 July 2012
Location: Rozhen
Exposure Details: L = 240 min, R,G,B = 100 min. each
Subexposures: 10 minutes
Acquisition: CCD Soft
Processing: PixInsight, Photoshop CS
     
 

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