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AstralX · 12-16-2013, 05:27 AM

Hello, my name is Alexandre Dumas, and I am Canadian from Quebec. I started to do astrophotography with a Pentax K5 IIs since one month after trying the k-30 of my friends. I am an amateur astronomer for many years but as regards the Pentax I still have much to learn that is why I appear here. Here are some pictures of my first test.

**TER-OR** · 12-16-2013, 08:03 AM

Dude! Cool!

Astrophotography is fun, but this winter is too cold right now.

Joel B · 12-16-2013, 09:44 AM

Welcome from Iowa! WOW, neat shots!! Yep, we're going to have fun looking at your shots!! Makes me want to brave the cold to try that!
Joel

Na Horuk · 12-16-2013, 01:11 PM

Hey, welcome! Great shots, especially the second one! Do you know about the O-GPS for Pentax cameras? Helps with star tracking. Hope to see some more photos from you

**Ex Finn.** · 12-16-2013, 04:48 PM

Welcome to the forums. Your comet shot is brilliant, looking forward to more spectacular images from you.
Cheers.
edit: question, what equatorial mount do you use?

AstralX · 12-16-2013, 06:56 PM

I use AZ-EQ 6 GT as equatorial mount

But i use too Tamron 17-50 mm f2.8 for star shot

**Kerrowdown** · 12-17-2013, 03:42 PM

Originally posted by AstralX

I use AZ-EQ 6 GT as equatorial mount

Welcome to the forum, knowing nothing about this sort of thing, that certainly looks like a boss bit of kit.

AstralX · 12-17-2013, 10:37 PM

That make a lense of 1016 mm at f/4

**jbinpg** · 12-18-2013, 12:32 AM

Salut, Alexandre! Pentax DSLRs make great astrophoto cameras since the Sony sensors they use have very low digital noise. You can get away without doing dark frames entirely if you keep your exposures fairly short. There are a few star photo freaks on the forums. Looking forward to seeing your contributions.

Jack

**Ex Finn.** · 12-18-2013, 05:34 PM

Nice looking mount. That is a first log observatory that I have seen, very nice.

Cheers.

AstralX · 12-20-2013, 07:51 PM

AstralX · 12-20-2013, 08:12 PM

Yes, the observatory is the first in log that I know that exist (after long google search) . Winter is hard here. This installation made this hobby less extrem at -32 degree celcius. I search best methode for connect the K-5 IIs on 110 v power voltage. I've take 70 pictures at -32, my previous DSLR canon can not do more than 30 shot at the same temp. Sky is cristal clear in winter, long night, minimal CMOS sensor thermal noise (My goal is run exposure of 5 min. by shot).

12-16-2013, 05:27 AM	#1
AstralX New Member Join Date: Dec 2013 Photos: Albums Posts: 7	New Astrophotographer with a Pentax Hello, my name is Alexandre Dumas, and I am Canadian from Quebec. I started to do astrophotography with a Pentax K5 IIs since one month after trying the k-30 of my friends. I am an amateur astronomer for many years but as regards the Pentax I still have much to learn that is why I appear here. Here are some pictures of my first test.

12-16-2013, 04:48 PM	#5
Ex Finn. Site Supporter Join Date: Nov 2007 Location: Southern Maryland. Espoo. Kouvola. Photos: Gallery \| Albums Posts: 7,975	Welcome to the forums. Your comet shot is brilliant, looking forward to more spectacular images from you. Cheers. edit: question, what equatorial mount do you use? Last edited by Ex Finn.; 12-16-2013 at 04:57 PM.

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12-16-2013, 08:03 AM	#2
TER-OR Site Supporter Join Date: Apr 2009 Location: Dundee, IL Photos: Gallery \| Albums Posts: 6,699	Dude! Cool! Astrophotography is fun, but this winter is too cold right now.

12-16-2013, 09:44 AM	#3
Joel B Veteran Member Join Date: Aug 2013 Location: Barnett MO. Photos: Albums Posts: 2,336	Welcome from Iowa! WOW, neat shots!! Yep, we're going to have fun looking at your shots!! Makes me want to brave the cold to try that! Joel

12-16-2013, 01:11 PM	#4
Na Horuk Veteran Member Join Date: Feb 2012 Location: Slovenia, probably Photos: Gallery \| Albums Posts: 11,186	Hey, welcome! Great shots, especially the second one! Do you know about the O-GPS for Pentax cameras? Helps with star tracking. Hope to see some more photos from you

12-16-2013, 06:56 PM	#6
AstralX New Member Join Date: Dec 2013 Photos: Albums Posts: 7 Original Poster	I use AZ-EQ 6 GT as equatorial mount But i use too Tamron 17-50 mm f2.8 for star shot

12-17-2013, 03:42 PM	#7
Kerrowdown PEG Moderator Join Date: Aug 2008 Location: Highlands of Scotland... "Hold Infinity in the palm of your hand" - William Blake Photos: Gallery Posts: 57,866	Originally posted by AstralX I use AZ-EQ 6 GT as equatorial mount Welcome to the forum, knowing nothing about this sort of thing, that certainly looks like a boss bit of kit.

12-17-2013, 10:37 PM	#8
AstralX New Member Join Date: Dec 2013 Photos: Albums Posts: 7 Original Poster	That make a lense of 1016 mm at f/4

12-18-2013, 12:32 AM	#9
jbinpg Site Supporter Join Date: Mar 2008 Location: Prince George, BC Photos: Gallery \| Albums Posts: 3,546	Salut, Alexandre! Pentax DSLRs make great astrophoto cameras since the Sony sensors they use have very low digital noise. You can get away without doing dark frames entirely if you keep your exposures fairly short. There are a few star photo freaks on the forums. Looking forward to seeing your contributions. Jack

12-18-2013, 05:34 PM	#10
Ex Finn. Site Supporter Join Date: Nov 2007 Location: Southern Maryland. Espoo. Kouvola. Photos: Gallery \| Albums Posts: 7,975	Nice looking mount. That is a first log observatory that I have seen, very nice. Cheers.

12-20-2013, 07:51 PM	#11
AstralX New Member Join Date: Dec 2013 Photos: Albums Posts: 7 Original Poster

12-20-2013, 08:12 PM	#12
AstralX New Member Join Date: Dec 2013 Photos: Albums Posts: 7 Original Poster	Yes, the observatory is the first in log that I know that exist (after long google search) . Winter is hard here. This installation made this hobby less extrem at -32 degree celcius. I search best methode for connect the K-5 IIs on 110 v power voltage. I've take 70 pictures at -32, my previous DSLR canon can not do more than 30 shot at the same temp. Sky is cristal clear in winter, long night, minimal CMOS sensor thermal noise (My goal is run exposure of 5 min. by shot).

New Astrophotographer with a Pentax

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