Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
vdb 152, Stefan Böckler
vdb 152
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vdb 152

vdb 152, Stefan Böckler
vdb 152
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vdb 152

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Description

Here's my take on the beautiful area around vdb 152. To my understanding vdb 152 is only the bright reflection nebula in front of the 'dust column' but not the dust itself.

During processing the broadband data I noticed some Ha and maybe OIII signal below my target DSO but it wasn't strong enough to make it visible. So I dedicated one night to aquire some duo NB data. I think this adds some nice color to the field. I don't know what the DSO with Ha and OIII signal exactly is. Maybe a PN? Does anybody know? Here's my take on the beautiful area around vdb 152. To my understanding vdb 152 is only the bright reflection nebula in front of the 'dust column' but not the dust itself.

During processing the broadband data I noticed some Ha and maybe OIII signal below my target DSO but it wasn't strong enough to make it visible. So I dedicated one night to aquire some duo NB data. I think this adds some nice color to the field. I don't know what the DSO with Ha and OIII signal exactly is. Maybe a PN? Does anybody know? [EDIT: It is DeHt 5 which was formerly thought to be a PN, but is probably just interstellar medium ionized by a white dwarf. The brighter part has also been catalogued as LBN 538.)

By the way, I recently stumbled upon the 'Guiding Assistant' in PHD2 which can measure the performance of your mount and, based on the results of the measurement, suggests to adjust certain parameters which you can then do by the click of a button. I did just that and guiding improved significantly. I usually had a total RMS of around 0.7 arcsec and now consistently get results below 0.5 arcsec which I never got before over a longer period of time. Moreover I sometimes had peaks in the guide graph which now seem to have vanished. Seems like a useful tool!

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