Cederblad 214, Metsavainio

Equipment

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Acquisition details

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Description

This cosmic question mark, in constellation Cepheus, contains following objects; At top, Cederblad 214(Ced 214) surrounded by NGC 7822, a dot like nebula at the bottom is known as Sharpless 170,(Sh2-170). Image spans over Five degrees vertically. Distance from my observatory, is ~2750 light years and it spans about 40 light years.

Total exposure time is about 9h with an ultra fast Canon EF 200mm f1.8 optics and the QHY9 astronomical camera.

Technical details:

Processing work flow:

Image acquisition, MaxiDL v5.07.

Stacked and calibrated in CCDStack2.

Levels, curves, color and mosaic combine in PS CS3.

Optics, Canon EF 200mm camera lens at f1.8

Camera, QHY9

Guiding, Meade LX200 GPS 12" and a Lodestar guider

Image Scale, ~5,5 arcseconds/pixel

Exposures, Baader 7nm H-a, 13x1200s + 10x900s = 7h

O-III 1h and S-II 1h, total 9 hours.

Calibration with Darks, Flats and Bias frames.

Comments

Histogram

Cederblad 214, Metsavainio