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Technical card

Imaging telescope or lens: Williams Optics STAR 71

Imaging camera: SBIG ST 8300M

Mount: Skywatcher N-EQ6 Pro modificada

Guiding telescope or lens: EGZ 60

Guiding camera: QHY CCD QHY5

Software: PixInsightMaxim DL

Filters: Baader Planetarium 36mm GreenBaader Planetarium BlueBaader Planetarium Red

Accessory: Starlight Xpress Fliter Wheel

Resolution: 3290x2485

Dates: March 12, 2016

Frames:
11x900" bin 1x1
Baader Planetarium 36mm Green: 5x600" bin 2x2
Baader Planetarium Blue: 5x600" bin 2x2
Baader Planetarium Red: 5x600" bin 2x2

Integration: 5.2 hours

Avg. Moon age: 3.36 days

Avg. Moon phase: 12.22%

Astrometry.net job: 1072648

Description

http://observatorioelche.blogspot.com.es/2016/05/cadena-de-markarian-en-virgo.html

Add a photo with annotations of magnitude 20-21 forced to understand why I do not usually use a very severe reduction of noise in photos.
Remember that photography is made to 348mm with a resolution of 3.2 Arc / pix.

Comments

Author

Juan Lozano
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Histogram

Markarian Chain in Virgo, Juan Lozano