Equipment – Sand Island Observatory

Telescope Mounts

Manufacturer	Model	Latitude Range	Payload	Weight
10 Micron	GM1000HPS	0 to 82 Deg	55 lb	43 lb
Celestron	CGEM-DX	15 to 70 Deg	50 lb	41 lb
IOptron	SkyGuider Pro	-30 to 65 Deg	11 lb	2.2 lb
SkyWatcher	HEQ5 Pro	0 to 90 Deg	30 lb visual 24 lb imaging	12.4 lb

Telescopes

Manufacturer	Model	Aperture	Focal Length	Focal Ratio	Limiting Magnitude	Weight
Celestron	EdgeHD 11″ SCT	280.0 mm	2800 mm	f/10.0	16.0	28 lb
Meade	8″ SCT	203.2 mm	2000 mm	f/10.0	14.0	14 lb
Orion	CT-80 Refractor	80.0 mm	400 mm	f/5.0	12.2	2.5 lb
Orion	ED80T CF Refractor	80.0 mm	480 mm	f/6.0	12.2	5.5 lb
Orion	XX14G Dobsonian	356.0 mm	1650 mm	f/4.6	15.5	158 lb
Sky-Watcher	Esprit 120mm ED Triplet APO Refractor	120.0 mm	840 mm	f/7.0	13.1	22 lb
William Optics	RedCat	51.0 mm	250 mm	f/4.9	12.3	3.2 lb

Cameras

Manufacturer	Model	Sensor Type	Sensor Size	Pixel	Color Pattern	Read Noise	Cooling
Canon	Rebel T3 (1100)	CMOS	4272 x 2848 px 22.2 x 14.8 mm	5.2 um	RGGB	5.0 e-	No
Celestron	Nightscape 8300	Kodak KAF8300C 4/3″ CCD	3326 x 2504 px 18.0 x 13.5 mm	5.4 um	RGGB	16 e-	Yes
Orion	All-In-One	Aptina MT9M034 1/3″ CMOS	1280 x 960 px 4.8 x 3.6 mm	3.75 um	RGGB	4.0 e-	No
QHY	Polemaster	Aptina MT9M034 1/3″ CMOS	1280 x 960 px 4.8 x 3.6 mm	3.75 um	n/a	4.0 e-	No
QSI	683 Mono	Kodak KAF8300M 4/3″ CCD	3326 x 2504 px 18.0 x 13.5 mm	5.4 um	n/a	15 e-	Yes
SBIG	ST-i Mono	Kodak KAI-0340 1/3″ CCD	648 x 486 px 4.8 x 3.6 mm	7.4 um	n/a	9 e-	No
Sony	A7S	Exmor CMOS	4262 x 2845 px 35.8 x 23.9 mm	8.4 um	RGGB	1.8 e-	Yes
ZWO	ASI 183MC PRO QE 84% FullWell 3K 1e/ADU 120	IMX183 CMOS Backlight 12-Bit ADC	5496 x 3672 px 13.2 x 8.8 mm DynRange 10.7 Stops	2.4 um	n/a	2.2 e-	Yes 45degC
ZWO	ASI 183MM PRO QE 84% FullWell 3K 1e/ADU 120	IMX183 CMOS Backlight 12-Bit ADC	5496 x 3672 px 13.2 x 8.8 mm DynRange 10.7 Stops	2.4 um	n/a	2.2 e-	Yes 45degC
ZWO	ASI 290MM Mini QE +80% FullWell 4K 1e/ADU 110	IMX290 CMOS Front-Illuminated 12-Bit ADC	1936 x 1096 px 5.6 x 3.2 mm DynRange 11.8 Stops	2.9 um	n/a	1.4 e-	No
ZWO	ASI 294MM Pro QE 90% FullWell 14.4K 1e/ADU 120	IMX492 CMOS Back-Illuminated 14-Bit ADC Locked Bin1 Mode	4144 x 2822 px 19.1 x 13.0 mm DynRange 13.0 Stops	4.63 um	n/a	1.8 e-	Yes 35degC
ZWO	ASI 294MM Pro QE 90% FullWell 3.6K 1e/ADU 108	IMX492 CMOS Back-Illuminated 14-Bit ADC Unlocked Bin1 Mode	8288 x 5644 px 19.1 x 13.0 mm DynRange 11.1 Stops	2.32 um	n/a	1.8 e-	Yes 35degC
ZWO	ASI 1600MM Pro QE 60% FullWell 4K 1e/ADU 139	MN34230 CMOS Front-Illuminated 12-Bit ADC	4656 x 3520 px 17.7 x 13.4 mm DynRange 11.2 Stops	3.8 mm	n/a	1.8 e-	Yes 45degC
ZWO	ASI 2600MC Pro QE 91% FullWell 10.5K 0.2e/ADU 100	IMX571 CMOS Back-Illuminated 16-Bit ADC Zero Amp Glow	6248 x 4176 px 23.5 x 15.7 mm DynRange 13.5 Stops	3.76 mm	RGGB	1.4 e-	Yes 35degC
ZWO	ASI 2600MM Pro QE 91% FullWell 10.5K 0.2e/ADU 100	IMX571 CMOS Back-Illuminated 16-Bit ADC Zero Amp Glow	6248 x 4176 px 23.5 x 15.7 mm DynRange 13.5 Stops	3.76 mm	n/a	1.4 e-	Yes 35degC

Eye Pieces

Manufacturer	Model	Focal Length	Apparent FOV	Eye Relief	Barrel Size
Baader	Hyperion 17	17.0 mm	68 Deg	20 mm	2.0″ / 1.5″
Orion	Rectile	12.5 mm	40 Deg	5.0 mm	2.0″ / 1.5″
Tele Vue	Nagler 31	31 mm	82 Deg	19 mm	2″
Tele Vue	Nagler 12	12 mm	82 Deg	10 mm	2″
Tele Vue	Nagler 9	9 mm	82 Deg	12 mm	1.5″
Tele Vue	2X PowerMate
Tele Vue	4x PowerMate

Filters

Manufacturer	Model	Filter Size	Filter Bw	Filter Wavelength	Application
Baader	Red 2458470R	1.25″	Bandpass	595-680 nm	QSI 683
Baader	Green 2458470G	1.25″	Bandpass	500-575 nm	QSI 683
Baader	Blue 2458470B	1.25″	Bandpass	385-505 nm	QSI 683
Baader	UV/IR-Cut/L 2459207A	1.25″	Bandpass	420-680 nm	QSI 683
Baader	H-beta 2458425	1.25″	8.5 nm	486 nm	QSI 683
Baader	H-alpha 2459393	1.25″	7.0 nm	656.3 nm	QSI 683
Baader	S-II 2458430	1.25″	8.0 nm	673 nm	QSI 683
Baader	O-III 2458435	1.25″	8.5 mm	502 nm	QSI 683
Celestron	O-III 93623	1.25″
Meade	ND 0.9	1.25″
Meade	No. 12 Yellow	1.25″
Meade	No. 23A Light Red	1.25″
Meade	No. 58 Green	1.25″
Meade	No. 80A Blue	1.25″
Optolong	L-eNhance	2″	24 nm 24 nm 10 nm	H-Beta Oxygen-III H-Alpha	OSC
Orion	Ultra Block	1.25″
Orion	No. 80A Med. Blue	1.25″
Orion	SkyGlow	1.25″
Radian	Triad Ultra Quad-Band	2″	5 nm 4 nm 4 nm 4 nm	H-Beta Oxygen-III H-Alpha Sulfur-II	OSC
ZWO	Red	36mm	7mm		ASI 1600
ZWO	Green	36mm	7mm		ASI 1600
ZWO	Blue	36mm	7mm		ASI 1600
ZWO	Luminance	36mm	7mm		ASI 1600
ZWO	Ha	36mm	7mm		ASI 1600
ZWO	S-II	36mm	7mm		ASI 1600
ZWO	O-III	36mm	7mm		ASI 1600

Miscellaneous Equipment

Manufacturer	Model	Notes
Alnitak	Flip-Flat #19050	For 4″-6″ OTA
Arteski	550 mm Flat Box w/USB	Customizable level for LRGB-HA-OIII-SII
Hotech	2″ SCA Laser Collimator	Dobsonian primary mirror alignment tool
Orion	Dew Zapper	4-Channel with various dew straps
Tele Vue	2″ Paracorr	Dobsonian coma corrector

Astrometric Data

Telescope	Configuration	Camera	Report
Sky-Watcher	n/a	Nightscape 8300C	FOV ? x ? arcmin Scale ? arcsec/pixel Focal Length ? mm
Sky-Watcher	2x Powermate	Nightscape 8300C	FOV 37.2 x 28 arcmin Scale 0.671 arcsec/pixel Focal Length ? mm
Sky-Watcher	Sky-Watcher Field Flatener	Canon Rebel T3	FOV 71.9 x 53.2 arcmin Scale 1.32 arcsec/pixel Focal Length ? mm
Sky-Watcher	2x Powermate	Canon Rebel T3	FOV ? x ? arcmin Scale ? arcsec/pixel Focal Length ? mm