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Contains:  1 Per, 10 Per, 11 Per, 15 eta Per, 18 tau Per, 34 phi Cas, 37 del Cas, 39 chi Cas, 4 g Per, 44 Cas, 45 eps Cas, 5 Per, 52 Cas, 53 Cas, 55 Cas, 6 Per, 63 And, 64 And, 65 And, 66 And, 7 chi Per, 8 Per, 9 i Per, B201, Double cluster, IC 1795, IC 1805, IC 1848, IC166, IC1747, IC1795, IC1805, IC1824, IC1848, IC289, M103, Miram, Misam, NGC 1027, NGC 869, NGC 884, NGC 896, NGC1027, NGC433, NGC436, NGC457, NGC559, NGC609, NGC637, NGC654, NGC657, NGC659, NGC663, NGC743, NGC744, NGC869, NGC884, NGC896, NGC957, Part of the constellation Cassiopeia (Cas), Ruchbah, Segin, Sh2-187, Sh2-188, Sh2-189, Sh2-190, Sh2-191, Sh2-192, Sh2-194, Sh2-195, Sh2-196, Sh2-197, Sh2-198, Sh2-199, Sh2-200, Sh2-201, Sh2-202, The star 4Per, The star 65And, The star 9Per, The star Ruchbah (δCas), The star εCas, The star ηPer, The star ιCas, The star τPer, The star φCas, The star χCas, VdB10, VdB11, VdB14, VdB15, VdB6, iot Cas, k Per
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Double Cluster in Perseus - 5th with Tracker+DSLR, 


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Double Cluster in Perseus - 5th with Tracker+DSLR

Technical card

Dates:Dec. 26, 2018

Frames: 30x150" ISO800

Integration: 1.2 hours

Darks: ~15

Flats: ~10

Avg. Moon age: 19.01 days

Avg. Moon phase: 80.95%

Bortle Dark-Sky Scale: 4.00

Temperature: -5.00 job: 2435661

RA center: 2h 20' 4"

DEC center: +58° 36' 33"

Pixel scale: 42.825 arcsec/pixel

Orientation: -43.776 degrees

Field radius: 11.538 degrees

Resolution: 1428x1313

Locations: My sister Vigga's Garden, Lillehammer, Oppland, Norway

Data source: Backyard


Well finally all come together and I think this actually pretty acceptable image. I visit my sister for Jol and we note a clearing of sky, as had brought camera and tracker set all up, sky clear and off we go!

30 x 150s with Canon Xsi (unmod) 50mm lens at ISO 800 f3.5.

I cannot even say how happy I am with this but has been ambition for over two years and now realized!

Thanks to all who helped, gave advice and encouragement, much appreciated.



License: None (All rights reserved)


  • Double Cluster in Perseus - 5th with Tracker+DSLR, 


  • Final
    Double Cluster in Perseus - 5th with Tracker+DSLR, 




Description: Fix gradient in original.

Sky plot

Sky plot


Double Cluster in Perseus - 5th with Tracker+DSLR,