Serial # |
Name |
λcentral (Å) |
FWHM (Å) |
System |
Band |
Throughput |
Size (mm) |
Thickness (mm) |
Owner |
Available |
Cosmetics |
Peak (%) |
Plots |
191 | WFCHARB | 4298 | 1065 | Harris | B | 66 | txt png ps pdf | 139 | 4 | ING | Y | Scratches in centre of filter, fingerprint on back side
20140526: Dust specks |
192 | WFCHARV | 5425 | 975 | Harris | V | 88 | txt png ps pdf | 139 | 4 | ING | Y | Tiny specks of dust. Also two small air bubbles in coating.
20230401: some small liquid droplet/splatter residues |
193 | WFCHARR | 6380 | 1520 | Harris | R | 83 | txt png ps pdf | 139 | 4 | ING | Y | Damage/smudge near centre. Looks like scratch marks. The damage has circular shape and is about 2 fingers in diameter. |
194 | WFCRGOI | 8063 | … | RGO | I | 95 | txt png ps pdf | 139 | 4.1 | ING | Y | Smudge in centre (about the size of a euro) where filter substrate has been damaged. |
195 | WFCRGOZ | 8763 | … | RGO | Z | 96 | txt png ps pdf | 139 | 4.1 | ING | Y | Looks a little speckled with dust, and slight oily streakiness on the surface.
Chip in a corner position.
Fingerprints in the edge |
196 | WFCO5008 | 5008 | 100 | Narrow Band | [OIII] 5008/100 | 78 | txt png ps pdf | 139 | 10 | ING | Y | There are several small white dots (<1mm) that cannot be removed by cleaning.
Put new padding around filter to prevent movement inside holder. |
197 | WFCH6568 | 6568 | 95 | Narrow Band | Halpha 6568/95 | 91 | txt png ps pdf | 139 | 10.1 | ING | Y | The substrate coating is damaged around the very edge of the filter (~3-4mm). Dust specks on the filter
Mark from cleaning spray |
198 | WFCStrU | 3480 | 330 | Stromgren | U | 47 | txt png ps pdf | 139 | 8.7 | ING | Y | The coating on the side facing the detector is damaged around the very edge of the filter (max~3-4mm). This appears to be opaque rather than transmitting (observed by holding up to the sun).
The sky side may be affected by a fog in the central area but no structures observed that would give rise to artefacts reported in flat field.
|
199 | WFCStrV | 4110 | 150 | Stromgren | v | 67 | txt png ps pdf | 139 | 9 | ING | Y | Appear to be several flecks over the filter that are transparent (look like some film has peeled off). |
200 | WFCStrB | 4695 | 210 | Stromgren | b | 83 | txt png ps pdf | 139 | 8.9 | ING | Y | Coating on re verse side badly scratched all over, nearly gone from ~3-4 cm patch off centre
some small grains |
201 | WFCStrY | 5505 | 240 | Stromgren | y | 77 | txt png ps pdf | 139 | 9 | ING | Y | |
204 | WFCRGOU | 3640 | 643 | RGO | U | 62 | txt png ps pdf | 139 | 8.2 | ING | Y | Some grease stains. Please ensure flat field calibration data is taken on each run. Such data from previous runs may not be valid due to changing transmission and frequent repositioning of filter during servicing. |
206 | WFCHe4686 | 4686 | 100 | Narrow Band | HeII 4686/100 | 78 | txt png ps pdf | 139 | 4.8 | ING | Y | Minor scratches in centre of one side of filter
Filter seems to have a number of large dust specks on.
|
207 | WFCO3727 | 3727 | 100 | Narrow Band | OII 3727/100 | 43 | txt png ps pdf | 139 | 6.9 | ING | Y | |
208 | WFC9190 | 9190 | 50 | Narrow Band | Halpha 9190/50 | … | … | 139 | 10.1 | ING | Y | Minor scratches (2) away from centre |
209 | WFC8160 | 8160 | 50 | Narrow Band | Halpha 8160/50 | 89 | txt png ps pdf | 139 | 10.1 | ING | Y | |
210 | WFCKPB | 4407 | 1022 | Kitt Peak | B | 84 | txt png ps pdf | 139 | … | ING | Y | Slight defect top right corner. Blue coating on one side (facing instrument) has scratched area off-centre about 15 mm diameter. |
211 | WFCO5027 | 5027 | 60 | Narrow Band | OIII 5027/60 | 76 | txt png ps pdf | 139 | 10.6 | ING | Y | Darker area, resembling edge chip but no surface damage apparent, 1 cm elliptical near edge. |
212 | WFCS6725 | 6725 | 80 | Narrow Band | SII 6725/80 | 85 | txt png ps pdf | 139 | 10.6 | ING | Y | Extensive scratches on non-relfective (red) side, may cause scattered light but no such effects reported. Should be controlled using flat fields.
Fingerprints on edges of reflective side largely cleaned off. |
214 | WFCSloanR | 6240 | 1347 | Sloan Gunn | R | 90 | txt png ps pdf | 139 | … | ING | Y | Some minor fingerprints/smudges
few dust grains |
215 | WFCSloanI | 7743 | 1519 | Sloan Gunn | I | 94 | txt png ps pdf | 139 | … | ING | Y | Small bubble/mark in centre
20140526: Some specks and one of the rubber supports is coming out |
220 | WFCSloanG | 4846 | 1285 | Sloan Gunn | g | 90 | txt png ps pdf | 139 | 5.6 | ING | Y | Liquid-like fringing pattern around edge, as if coating is wearing off.
20131207: the liquid-like marking has extended.
20161017 - rotated filter 45 degrees in mount to move leaking spot off the CCD. This was decided in consultation with UVEX.
20170313 - rotated filter 180 degrees in mount to correct wrong leak location following feedback from UVEX project.
Fringe-like pattern covering about half of one of the sides of the filter |
222 | WFCClear | 6000 | 4000 | Clear | Clear | … | … | 139 | … | ING | Y | 20230511 There is no physical filter for this. The local database identifies an Empty position as "Empty".
|
223 | WFCWash51 | 5143 | 154 | Washington | 51 | 88 | txt png ps pdf | 139 | 6 | Private | N | The filter is at present unmounted. Sufficient notice must be given if the filter is to be used. |
224 | WFCStrHbW | 4861 | 170 | Stromgren | Hbeta 4861/170 | … | … | 139 | … | ING | Y | Slight smudge near edge.
Also the Filter rattles a lot in the holder. It seems secure, but may be moving by upto ~0.5mm which could possibly produce less than optimal focus and positioning when of different parts of the sky? |
225 | WFCStrHbN | 4861 | 30 | Stromgren | Hbeta 4861/30 | … | … | 139 | … | ING | Y | some dirt on edges |
226 | WFCED338 | 6886 | 100 | Narrow Band | … | 88 | txt png ps pdf | 139 | 4.3 | ING | Y | Rectangular smudge off centre - seems to be permanent damage, could not be cleaned.
In the blue side of the filter there are small red dots of about 1 mm that seem to be stuck.
|
227 | WFCED337 | 6657 | 80 | Narrow Band | … | 89 | txt png ps pdf | 139 | 4.3 | ING | Y | Very minor marks, but no fingerprints within clear aperture. |
228 | WFCED336 | 6800 | 92 | Narrow Band | Halpha 6800/92 | 95 | txt png ps pdf | 139 | 4.3 | ING | Y | Dust specks observed |
229 | WFCHeI | 5870 | 40 | Narrow Band | … | … | … | 139 | 4.3 | ING | Y | |
236 | NOVA782HA | 7839 | 110 | Narrow Band | H | 88 | txt png ps pdf | 139 | 8 | Private | Y | Tiny dust which couldn"t be removed |
237 | NOVA804HA | 8038.5 | 110 | Narrow Band | H | 84 | txt png ps pdf | 139 | 8 | Private | Y | |
238 | NOVA392 | 3918 | 52 | Narrow Band | … | 55 | txt png ps pdf | 134 | 8 | Private | Y | One chip near edge, 2mm inward. Rough looking edges may in fact be glue for mounting ring. Some pointlike defects may be new, from handling.
Reflective mount ring is not masked - please look out for possible effects.
Another smaller chip on the same side of the filter (20140324)
|
239 | NOVA7941 | 7941 | 150 | Narrow Band | … | 84 | txt png ps pdf | 139 | 5 | Private | Y | |
240 | NOVA7743 | 7743 | 150 | Narrow Band | … | 86 | txt png ps pdf | 139 | 5 | Private | Y | Filter is loose in its mount and also loose in the filer wheel. |
241 | NOVA8089 | 8089 | 150 | Narrow Band | … | 81 | txt png ps pdf | 139 | 4.9 | Private | Y | [ps 2.06.20016] Tiny dust which couldn"t be removed. Filter seems to be a bit loose in the filter wheel.
[jma, 15/10/2015] Filter fixed and made available again.
[jma, 06/08/2015] This filter has a faulty pin (see fault report 21901).
[nom, 21/8] Filter stored in wooden box while mount is modified. Please advise in advance if filter is requested. |