... Indeed. I forgot to mention in my original response that I also once had a 2" TCF-S on a 9.25" SCT, with the same ST-8, Pyxis, and CFW-10. The TCF-S is a...
72329
Mark Acker
markacker
Feb 11, 2013 3:42 pm
Did I misread? Â I thought the OP is using a 105mm refractor. Â Seems to me that neither a TCF or Ballerophon would be a very appealing option on a refractor...
72330
Mike Dodd
doddm2001
Feb 11, 2013 3:50 pm
... No, you did not misread. You are correct that the Bellerophen would be pretty heavy for a 105mm refractor. That's why my original reply mentioned the FT. I...
72331
tpiccian
Feb 11, 2013 4:01 pm
The TCF-S does need an SCT thread. You can get an SCT to 2 inch barrel adapter. Not expensive at all. I used to use one when I was using SCT attachments on a...
72332
Mark Acker
markacker
Feb 11, 2013 4:45 pm
Agreed on both counts. Â I have a TCF-Si as well that I use on an ACF. Â Great focuser. The Ballerophon was a bit out of my price range, not to mention a...
72333
Mike Dodd
doddm2001
Feb 11, 2013 5:43 pm
... Hi, Mark. Yes, I bolted the Bellerophon to the rear casting of my C9.25 SCT. I don't know if this was necessary, but I didn't like the idea of sll that...
72334
Wayne
wayneh9026
Feb 11, 2013 6:21 pm
I have a Moonlight (www.focuser.com) stepper-motor focuser for my Televue NP127is and SBIG ST2000XM. I use it with MaximDL and FocusMax. Once I figured out how...
72336
Stan
stan_ccd
Feb 11, 2013 7:19 pm
... Lum sub-exp time should be determined by its own criteria (e.g. "sky limited") and has nothing to do with the sub-exp times of the RGB. Any sub-exp L/RGB...
72337
Mark Striebeck
mstriebeck1967
Feb 11, 2013 9:41 pm
Thank you for the explanation - makes sense. MarkS ... [Non-text portions of this message have been removed]...
72338
Ron Wodaski
rwodaski
Feb 12, 2013 5:52 pm
This is an interesting dissection of a Bayer-array CMOS sensor: http://landingfield.wordpress.com/2013/02/06/peeping-into-pixel-a-micrograph-of-cmos-sensor/ ...
72339
Bob
tekic545
Feb 12, 2013 7:14 pm
NGC 925 in Triangulum is an interesting challenge – fairly large but fairly faint. Image is here: http://tinyurl.com/au3p5qo After some years of happy OSC...
72340
Bernard Miller
bgmiller_01
Feb 13, 2013 1:09 am
Bob, Not bad for your first image. I am not that familiar with this object so I am not sure about the color. It looks like you black clipped the data little....
72341
Bob
tekic545
Feb 13, 2013 4:14 am
Thanks, Bernard. Levels in CS4 tells me I left a 4-point pedestal on the blackpoint. Maybe not enough? Increasing it lightened the sky background, but seemed...
72342
jeffreyjongmans
Feb 13, 2013 4:09 pm
My first successful automated run with a QSI 683wsg-8, DDM60 and 10" RC- CCDAutoPilot Version 5.05.3- Autoslew 5.1.1.4- Maxim 5.23- PinPoint 5.1.8- FocusMax...
72343
larryl
lmleitch02
Feb 14, 2013 10:28 pm
Hi, I would soon like to try my Ha filter. Does anybody have suggestions for a first target? My equipment is a Tak EM-200 Temma-2, Tak-130 refractor, and a...
72344
Ron Wodaski
rwodaski
Feb 14, 2013 11:41 pm
Try bright stuff to start. M42, for example. The Eskimo is very bright in ha. You can image those with ha using fairly short exposures to check things out. ...
72345
CurtisC
die_nullte
Feb 14, 2013 11:41 pm
Just about any nebula along the Milky Way. Consult a good star atlas. M42, Rosette, Christmas Tree Cluster (NGC 2264) are all good targets. The Crab is very...
72346
Mike Dodd
doddm2001
Feb 15, 2013 1:03 am
... * Horsehead * Rosette (try the Y-spiral on the north edge, the clouds on the NW side, or the interesting formations on the SE side. ...
72347
CurtisC
die_nullte
Feb 15, 2013 5:09 am
Yes! Anybody who's spent hours trying to see it visually will enjoy capturing it with a CCD....
72348
Orlando Andico
orly_andico
Feb 15, 2013 6:30 am
In my experience the horse head is a pretty easy target. 10 minute subs are pretty rewarding even from my light polluted locale and color camera. ... [Non-text...
72349
Bernard Miller
bgmiller_01
Feb 15, 2013 4:07 pm
Jeff, Nice image. What color mapping did you use? Bernard From: ccd-newastro@yahoogroups.com [mailto:ccd-newastro@yahoogroups.com] On Behalf Of jeffreyjongmans...
72350
hilary15xx
Feb 15, 2013 4:36 pm
Hi Mark, You might want to try my SimCCD and Exposure Planner utilities. They can be used to give a recommended exposure time for that part of the image that...
72351
Ron Brant
astroron2001
Feb 15, 2013 6:45 pm
Congratulations to Rob Gendler and RJ Gabany on their contributions to the M106 photo ref; in the Astronomy Magazine Newsletter just out. Great work guys!! Ron...
72352
Matt
matt.dieterich
Feb 15, 2013 10:38 pm
Congrats Rob and RJ! Matthew Dieterich Robert Morris University: Environmental Science www.MatthewDieterich.Zenfolio.com ... [Non-text portions of this message...
72353
jeffreyjongmans
Feb 16, 2013 5:44 am
Hi Bernard, It's a Hubble palette; SII-Ha-OIII for RGB...
72354
Mark Striebeck
mstriebeck1967
Feb 17, 2013 12:28 am
Nothing really spectacular. But it took me a while to get everything setup (camera, filter wheel...), taking the pictures (including all the flats, bias and...
72355
Hemant Hariyani
hemanthariyani
Feb 18, 2013 1:23 am
Hello all, Here is a set of images of M42 in H-alpha I captured over two nights: http://goo.gl/0ta84 This also happens to be first light for a Vixen NA 120...
72356
Eric
eja24601
Feb 18, 2013 3:45 am
Hello all, I got around to processing some of my backlog of data from New Mexico. First up is Sharpless 181 and 183, which reminds me of the logo of the...
Excellent detail. I have tried this target several times in Ha using a modified dslr with some limited success but, as I have just bought an Atik CCD plus...
