[back] Cederblad 155 = DQ Herculis 1934 (Nova shell) in Hercules

Higher resolved 100% crop around the SNR / höher aufgelöster 100%-Ausschnitt um den SNR  (1646 x 1845 Pixel)

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180"

 

 

About this Image / Über dieses Bild

CCD: SBIG STL11000M
Image Type, Orientation: LHa-RGB-Composite, North is at 6:00h
Exposure time: L: 9x900 sec., Ha(6nm): 12x900 sec., R,G,B: 3x900 sec., all 1x1 bin
Exposure date: July, 5th…27th 2009
Location: Skinakas Observatory at Crete, Greece, remote-controlled from Bad Arolsen/Germany
Filter: SBIG 2" Filterset
Instrument: Ganymed 60cm-Hypergraph in secondary focus (f=4938.3 mm)
Photographer: Josef Pöpsel, Stefan Binnewies
Seeing (FWHM): 1.0"
   

Remarks:

The nova reached +1.5mag in 1934, see here for example.

   

Bemerkungen:

Die Nova erreichte 1934 +1,5mag, siehe z.B. hier.

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