Image:
Object: Comet C/2021 A1 (Leonard)
DATE-OBS: 2021-02-12T23:17:45
EXPTIME: 2250.00 (seconds)
SUBFRMS: 50
OBJCTRA: 14 01 27.281
OBJCTDEC: +49 38 36.060
Instrument:
Catalog: UCAC4
Bessell (B): +*.*, Bessell (V): +*.*
Bessell (R): +18.3, Bessell (I): +*.*
CCD: ATIK-383L+
FILTERS: R
TELESCOPE: C11, 1623.0mm
PRiSMv10, Astrometrica
Site:
ORIGIN: Cepheid Observatory, India, Vorion Scientific, India
SITELAT: +24:55:00:00
SITELONG:+75:33:58:99
Observers:
V.K.Agnihotri, B. Kumar, S. Mahawar, K.Vora
Remark:
Sky Clear. As per, Prof. Seiichi Yoshida comet@aerith.net, it may attend mag around +4.0 and go visible to eyes in mid of Dec-2021
End

Image:
Object: Comet C/2021 A4 (NEOWISE)
DATE-OBS: 2021-02-10T14:41:31
EXPTIME: 990.00 (seconds)
SUBFRMS: 22
OBJCTRA: 07 29 52.575
OBJCTDEC: +65 13 20.642
Instrument:
Catalog: UCAC4
Bessell (B): +*.*, Bessell (V): +*.*
Bessell (R): +14.9, Bessell (I): +*.*
CCD: ATIK-383L+
FILTERS: R
TELESCOPE: C11, 1623.0mm
PRiSMv10, Astrometrica
Site:
ORIGIN: Cepheid Observatory, India, Vorion Scientific, India
SITELAT: +24:55:00:00
SITELONG:+75:33:58:99
Observers:
V.K.Agnihotri, B. Kumar, S. Mahawar, K.Vora
Remark:
Sky Clear
End

Image:
Object: Comet C/2021 A2
DATE-OBS: 2021-02-05T15:34:36
EXPTIME: 855.00 (seconds)
SUBFRMS: 20
OBJCTRA: 07 08 29.439
OBJCTDEC: -04 06 49.090
Instrument:
Catalog: UCAC4
Bessell (B): +*.*, Bessell (V): +*.*
Bessell (R): +14.2, Bessell (I): +*.*
CCD: ATIK-383L+
FILTERS: R
TELESCOPE: C11, 1623.0mm
PRiSMv10, Astrometrica
Site:
ORIGIN: Cepheid Observatory, India, Vorion Scientific, India
SITELAT: +24:55:00:00
SITELONG:+75:33:58:99
Observers:
V.K.Agnihotri, B. Kumar, S. Mahawar, K.Vora
Remark:
Sky Clear
End

Image:
Object: Comet 141P/141P/Machholz
DATE-OBS: 2021-01-14T14:40:15
EXPTIME: 1980.00 (seconds)
SUBFRMS: 22
OBJCTRA: 00 24 49.591
OBJCTDEC: -06 43 13.196
Instrument:
Catalog: UCAC4
Bessell (B): +*.*, Bessell (V): +*.*
Bessell (R): +14.8, Bessell (I): +*.*
CCD: ATIK-383L+
FILTERS: R
TELESCOPE: C11, 1623.0mm
PRiSMv10, Astrometrica
Site:
ORIGIN: Cepheid Observatory, India, Vorion Scientific, India
SITELAT: +24:55:00:00
SITELONG:+75:33:58:99
Observers:
V.K.Agnihotri, B. Kumar, S. Mahawar, K.Vora
Remark:
Sky Clear
End

Image:
Object: Comet 398P/Boattini
DATE-OBS: 2021-01-06T15:17:36
EXPTIME: 3600.00 (seconds)
SUBFRMS: 30
OBJCTRA: 04 53 19.101
OBJCTDEC: +03 14 12.738
Instrument:
Catalog: UCAC4
Bessell (B): +*.*, Bessell (V): +*.*
Bessell (R): +14.6, Bessell (I): +*.*
CCD: ATIK-383L+
FILTERS: R
TELESCOPE: C11, 1623.0mm
PRiSMv10, Astrometrica
Site:
ORIGIN: Cepheid Observatory, India, Vorion Scientific, India
SITELAT: +24:55:00:00
SITELONG:+75:33:58:99
Observers:
V.K.Agnihotri, B. Kumar,
S. Mahawar, K.Vora
Remark:
NIL
End

Image:
Object: Comet 156P/Russell-LINEAR
DATE-OBS: 2020-12-31T14:17:27
EXPTIME: 3600.00 (seconds)
SUBFRMS: 30
OBJCTRA: 01 10 14.294
OBJCTDEC: +26 13 33.181
Instrument:
Catalog: UCAC4
Bessell (B): +*.*, Bessell (V): +*.*
Bessell (R): +13.7, Bessell (I): +*.*
CCD: ATIK-383L+
FILTERS: R
TELESCOPE: C11, 1623.0mm
PRiSMv10, Astrometrica
Site:
ORIGIN: Cepheid Observatory, India, Vorion Scientific, India
SITELAT: +24:55:00:00
SITELONG:+75:33:58:99
Observers:
V.K.Agnihotri, B. Kumar,
S. Mahawar, K.Vora
Remark:
NIL
End

Comet C/2013 X1 PanSTARRS, Dated: 2016.01.08 UTC: 13:59:29
Tele: 0.28m/f6.3, Exp: 100x 30 secs, Atik383L+mono, no filter
Center (RA, Dec): (358.957, 18.590)
Center (RA, hms): 23h 55m 49.722s
Center (Dec, dms): +18° 35′ 23.565″
Size: 34.7 x 26.1 arcmin
Radius: 0.362 deg
Pixel scale: 1.24 arcsec/pixel
Orientation: Up is -1.51 degrees E of N
Cepheids Astronomy Group, RBT, India 

C/2015 V2 Johnson ‘2017-02-05T23:01:17’
Tele: C11/0.28m/f10.0, KAF8300 (3326X2504, 5.4µMX5.4µM)
Filter: XAF-GCE125 565rb (http://www.omegafilters.com/565rb.html)
Binning: 3X3 (16.21µmX16.21µm)
Tele field of view: 22.10acrminx16.66acrmin
Plate scale: 1.1859 arcsec/pix
Angle: 87.91 Deg
Exp: 9X90secs
Guiding: PHD2/ICX825
OBJCTRA: 15 43 37
OBJCTDEC: +44 49 15
APT Tool, Maximdl, CCDstack, DS9
Cepheids Astronomy Group,RBT, India. 

41P/Tuttle-Giacobini-Kresak ‘2017-03-27T19:47:03’
Tele: C11/0.28m/f10.0, KAF8300 (3326X2504, 5.4µmX5.4µm)
Filter: Clear Filter
Binning: 3X3 (16.21µmX16.21µm)
Tele field of view: 22.10acrminx16.66acrmin
Plate scale: 1.1859 arcsec/pix
Image rotation: Up is 146 degrees E of N astrometry.net
Comet phase angle: 58 deg
Exp: 47X40secs
Guiding: PHD2/ZWOASI120MM
OBJCTRA: 12 15 47
OBJCTDEC: +61 46 44
APT Tool, Maximdl, CCDstack, DS9
Cepheids Astronomy Group,RBT, India

C/2015 ER61 PANSTARRS ‘2017-03-28T23:55:36’
Tele: C11/0.28m/f10.0, KAF8300 (3326X2504, 5.4µmX5.4µm)
Filter: Clear Filter
Binning: 3X3 (16.21µmX16.21µm)
Tele field of view: 22.10acrminx16.66acrmin
Plate scale: 1.1859 arcsec/pix
Image rotation: Up is 146 degrees E of N astrometry.net
Comet phase angle: 47 deg
Exp: 5X40secs
Guiding: PHD2/ZWOASI120MM
OBJCTRA: 20 14 35
OBJCTDEC: -17 39 05
APT Tool, Maximdl, CCDstack, DS9
Cepheids Astronomy Group,RBT, India