DSO 遺照集 -- NGC7000
Re: DSO 遺照集 -- M45 with unmodified 100D
67. M45 with ED80Sf
Taken with Vixen ED80Sf + reducer + unmodified 100D @PTC in 2014 @510mm F6.4
15x300s @iso800, autoguided with Vixen GP2 photoguider in RA direction only
Stacked in DSS and processed in PI & PS
Taken with Vixen ED80Sf + reducer + unmodified 100D @PTC in 2014 @510mm F6.4
15x300s @iso800, autoguided with Vixen GP2 photoguider in RA direction only
Stacked in DSS and processed in PI & PS
Re: DSO 遺照集 -- M3 taken in YL
68 M3
Taken with DIY 6" F5 Newtonian + TV paracorr + 100Da in YL in Hong Kong @860mm F5.6
14x60s @iso800, unguided
Stacked in DSS with bias calibrated only
A test shot to see if paracorr works well with this 6" F5 newtonian
Taken with DIY 6" F5 Newtonian + TV paracorr + 100Da in YL in Hong Kong @860mm F5.6
14x60s @iso800, unguided
Stacked in DSS with bias calibrated only
A test shot to see if paracorr works well with this 6" F5 newtonian
Re: DSO 遺照集 -- M31 taken with unmodified 100D
69. M31 taken with unmodified 100D
Taken with Vixen ED80Sf + reducer + unmodified 100D @PTC in 2014 @510mm F6.4
12x300s @iso400, autoguided with Vixen photoguider GP2 in RA direction only
Stacked in DSS and processed in PI & PS
Taken with Vixen ED80Sf + reducer + unmodified 100D @PTC in 2014 @510mm F6.4
12x300s @iso400, autoguided with Vixen photoguider GP2 in RA direction only
Stacked in DSS and processed in PI & PS
Re: DSO 遺照集 -- M57 taken with 30cm newtonian
70. M57
Taken with DIY 30cm F4 Newtonian + paracorr + LPS + 100Da @PTC in 2015 @1380mm F4.6
7x180s @iso400, autoguided with Vixen AXD mount
Stacked in DSS with bias calibrated only and processed in PI + PS
Remark: Polar axis misaligned by about 2 degrees
Taken with DIY 30cm F4 Newtonian + paracorr + LPS + 100Da @PTC in 2015 @1380mm F4.6
7x180s @iso400, autoguided with Vixen AXD mount
Stacked in DSS with bias calibrated only and processed in PI + PS
Remark: Polar axis misaligned by about 2 degrees
Re: DSO 遺照集 -- Crab taken with 30cm newtonian
71. M1
Taken with DIY 30cm F4 Newtonian + paracorr + Atik 383L+ mono cooled CCD @PTC in 2016 @1380mm F4.6
L:R:G:B = 8x180s: 3x240s: 3x240s: 3x240s, autoguided with Vixen AXD mount
Stacked in DSS without flat calibrated
Processed in PI and PS
Taken with DIY 30cm F4 Newtonian + paracorr + Atik 383L+ mono cooled CCD @PTC in 2016 @1380mm F4.6
L:R:G:B = 8x180s: 3x240s: 3x240s: 3x240s, autoguided with Vixen AXD mount
Stacked in DSS without flat calibrated
Processed in PI and PS
Re: DSO 遺照集 -- NGC891
72. NGC891
Taken with Vixen VC200L + reducer + 100Da @PTC in 2013 @1280mm F6.4
2x360s @iso1600, autoguided with Vixen SX2
Stacked in DSS without any calibration
Processed in PI and PS
Posted before. That is a cropped and re-processed one.
Taken with Vixen VC200L + reducer + 100Da @PTC in 2013 @1280mm F6.4
2x360s @iso1600, autoguided with Vixen SX2
Stacked in DSS without any calibration
Processed in PI and PS
Posted before. That is a cropped and re-processed one.
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