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nsyahron
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« pada: January 18, 2008, 09:36:03 AM » |
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Imej kali ini ialah Messier 45, Gugusan Bintang Pleiades. Pada pendapat saya, objek ini adalah objek mata kasar yang paling cantik sekali di langit malam. Kalau tengok guna binokular atau low powered teleskop lagi cantik. Teleskop yg saya guna seperti biasa ialah William Optics ZS66SD jenis refractor, menggunakan mount Nexstar 6SE GOTO (saya cabut SCT 6" tu, ganti dgn WO ZS66SD). Teleskop ni focal lengthnya sederhana ~388mm, jadi field rotation tak seberapa berbanding dgn SCT 6" yg mempunyai focal length 1200mm. Jadi tak guna equatorial mount pun masih boleh. Imej ni adalah hasil dari gabungan ~300 frame, setiap frame exposed for 30s pada ISO800. Kalau expose lama sikit (> 1 minit), nebulosity yg dapat dirakam mesti lebih besar dan lebih detail, tapi kerana saya menggunakan Alt-Azimuth mount, saya terhad kepada 30s (kalau lebih star trail pulak). Comments are welcomed.  |
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shahgazer
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« Reply #1 pada: January 18, 2008, 09:48:04 AM » |
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wow! nampak nebulosity tu!!!!  tahniah! very nice image! |
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-Shah-
Owner & Founder of Falak Online
Personal twitter : twitter.com/shahgazer
Official Falak Online twitter: twitter.com/falakonline
*** if star moves NORTH, push the scope to EAST*** ... almost there!
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wilsontie
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« Reply #2 pada: January 18, 2008, 08:18:12 PM » |
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Imej kali ini ialah Messier 45, Gugusan Bintang Pleiades. Pada pendapat saya, objek ini adalah objek mata kasar yang paling cantik sekali di langit malam. Kalau tengok guna binokular atau low powered teleskop lagi cantik. Teleskop yg saya guna seperti biasa ialah William Optics ZS66SD jenis refractor, menggunakan mount Nexstar 6SE GOTO (saya cabut SCT 6" tu, ganti dgn WO ZS66SD). Teleskop ni focal lengthnya sederhana ~388mm, jadi field rotation tak seberapa berbanding dgn SCT 6" yg mempunyai focal length 1200mm. Jadi tak guna equatorial mount pun masih boleh.
Imej ni adalah hasil dari gabungan ~300 frame, setiap frame exposed for 30s pada ISO800. Kalau expose lama sikit (> 1 minit), nebulosity yg dapat dirakam mesti lebih besar dan lebih detail, tapi kerana saya menggunakan Alt-Azimuth mount, saya terhad kepada 30s (kalau lebih star trail pulak).
Comments are welcomed.
wah cantiknya...
300 frames!!? mana satu software yang kamu guna? DSS? IRIS? .. |
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nsyahron
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« Reply #3 pada: January 19, 2008, 05:06:21 AM » |
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Terima kasih Shah, wilson.
wilson, I used DSS for this one. Kappa-Sigma stacking.
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aidad00
Pendekar Bulan
 Offline
Posts: 25
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« Reply #4 pada: January 19, 2008, 09:49:21 AM » |
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 ...nice want Nik....  :-)cantik betul,you gunakan software apa untuk memprocesskan image you?......You are really good in processing your image.  wow! nampak nebulosity tu!!!! tahniah! very nice image! really boleh nampak nebulosity of the seven sister.... . can you crop the image so that kita boleh nampak dekat sikit tak? Btw bro really nice job... .
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kamayok3
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« Reply #5 pada: January 19, 2008, 04:46:16 PM » |
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Bro nik, I think the focusing still need to adjust. Can upload the .tif file for me to try on? I think I still can see more detais not yet bring out. BTW, it is a good image and effort. Regards, Tommy |
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nsyahron
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« Reply #6 pada: January 21, 2008, 03:32:09 AM » |
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As requested by aidad00, a close up of the Seven Sisters  |
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nsyahron
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« Reply #8 pada: January 21, 2008, 04:29:57 PM » |
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Bro nik,
I think the focusing still need to adjust.
Tommy
Thanks Tommy. Ya la...focus especially at the edges are soft. But at the center I think the focus is quite alright. |
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kamayok3
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« Reply #9 pada: January 21, 2008, 04:52:52 PM » |
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Bro nik,
I think the focusing still need to adjust.
Tommy
Thanks Tommy. Ya la...focus especially at the edges are soft. But at the center I think the focus is quite alright. Bro, Do you mind if I request a copy of .tif file from u? I can see still got a lot of details need to PP out. Regards, Tommy |
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nsyahron
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« Reply #10 pada: January 22, 2008, 04:40:45 AM » |
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Bro,
Do you mind if I request a copy of .tif file from u? I can see still got a lot of details need to PP out.
Regards,
Tommy
Tommy, check your PM. For the interest of learning, not for me alone but others as well, can you also describe the steps involved in post-processing the pic. |
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kamayok3
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« Reply #11 pada: January 22, 2008, 09:16:55 AM » |
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Bro,
Do you mind if I request a copy of .tif file from u? I can see still got a lot of details need to PP out.
Regards,
Tommy
Tommy, check your PM. For the interest of learning, not for me alone but others as well, can you also describe the steps involved in post-processing the pic. Will try my best to describe. Tommy |
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kamayok3
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« Reply #12 pada: January 23, 2008, 02:20:46 PM » |
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This is my version of Bro Nik's M45 open cluster.  For the nebulosity side, I refuse to make it looks too blue. Regards, Tommy |
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